SFcrowsnest: The Complete Book of Gerry Anderson's UFO
- Review of this non-fiction work by Chris Bentley.
- http://www.sfcrowsnest.com/sfnews2/04_jan/review0104_5.shtml

UFO Episode Guide
- Episode guide, including cast, synopsis and voting.
- http://ufo.epguides.info/

UFO Image Library
- A rotating frame capture library from UFO episodes.
- http://www.framecaplib.com/ufolib.htm

Starship Modeler's UFO Page
- Reference photos of the original models featured in UFO.
- http://www.starshipmodeler.com/other/ufo_ref.html

SHADO Yahoo! Group
- Online discussion group for the "UFO" TV series.
- http://groups.yahoo.com/group/SHADO/

Fanderson
- Gerry Anderson fan club site has UFO episode guide, guide to shooting locations, and exclusive merchandise.
- http://www.fanderson.org.uk/fanderson.html

Official UFO Website
- Carlton's website has series production information, actor's biographies, photos, and details of their UK DVD releases.
- http://www.ufo-dvd.com

UFO Series Home Page
- Large site with episode guide, FAQ, photos, scripts, music, cast interviews, TV broadcast dates, and current news.
- http://ufoseries.com

SHADO Library and Archives
- Large UFO fan-fiction library, episode transcriptions, plus SHADO operations and personnel pages, plus "Different Aspects of UFO".
- http://www.shadolibrary.org/

SHADO Marsbase
- SHADO information and humorous "Marsbase" and "The Mix" sections.
- http://shado.iwarp.com

SHADO:UK
- Original video clips based on the series, plus scans of the 1970 UFO Annual.
- http://www.darkstar2.demon.co.uk/